As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKE FLUID RESERVOIR EMPTY AFTER LANDING WHEN PARKING, BRAKES FELT MUSHY THEN NO BRAKE PEDAL PRESSURE. STOPPED AIRPLANE AND NEVER USED EMERGENCY HANDLE OR ANYTHING OF NITROGEN BOTTLE. POST FLIGHT, NO BRAKE FLUID, SOME OILY FILM ON LEFT WING FLAP. INSPECTED ENTIRE BRAKE SYSTEM FOR LEAKS/DEFECTS. NONE FOUND. SERVICED BRAKES SYSTEM AND BLED LT AND RT BRAKES IAW CE560 MM SECTIONS 32-42-01 AND 32-42-00 PARA 4.